Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (B24B21/00 takes precedence; honing of plane surfaces on work B24B33/055)

Child Classifications

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• B24B 7/005
• B24B 7/02 involving a reciprocatingly-moved work-table (involving a reciprocatingly-moved grinding wheel in combination with a stationary work-table B24B7/07)
• B24B 7/04 involving a rotary work-table
• B24B 7/06 involving conveyor belts, a sequence of travelling work-tables or the like
• B24B 7/07 involving a stationary work-table
• B24B 7/10 Single-purpose machines or devices (grinding tools or machines specially designed for use on assembled railway track E01B31/17)
• B24B 7/20 characterised by a special design with respect to properties of the material of non-metallic articles to be ground